<template>
  <div class="app-container">

    <!-- 查询和其他操作 -->
    <div class="filter-container">
      <el-input v-model="listQuery.userId" clearable class="filter-item" style="width: 200px;" placeholder="请输入用户ID"/>
      <el-input v-model="listQuery.valueId" clearable class="filter-item" style="width: 200px;" placeholder="请输入商品ID"/>
      <el-button class="filter-item" type="primary" icon="el-icon-search" @click="handleFilter">查找</el-button>
      <el-button :loading="downloadLoading" class="filter-item" type="primary" icon="el-icon-download"
                 @click="handleDownload">导出
      </el-button>
    </div>

    <!-- 查询结果 -->
    <el-table v-loading="listLoading" :data="list" element-loading-text="正在查询中。。。" border fit highlight-current-row>

      <el-table-column align="center" label="用户ID" prop="userId"/>

      <el-table-column align="center" label="商品ID" prop="valueId"/>

      <el-table-column align="center" label="打分" prop="star"/>

      <el-table-column align="center" label="评论内容" prop="content"/>

      <el-table-column align="center" label="评论图片" prop="picUrls">
        <template slot-scope="scope">
          <el-image v-for="item in scope.row.picUrls" :key="item" :src="item" :preview-src-list="scope.row.picUrls"
                    :lazy="true" style="width: 40px; height: 40px; margin-right: 5px;"/>
        </template>
      </el-table-column>

      <el-table-column align="center" label="时间" prop="addTime"/>

      <el-table-column align="center" label="操作" width="200" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button type="primary" size="mini" @click="handleReply(scope.row)">回复</el-button>
          <el-button type="danger" size="mini" @click="handleDelete(scope.row)">删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination v-show="total>0" :total="total" :page.sync="listQuery.page" :limit.sync="listQuery.limit"
                @pagination="getList"/>

    <!-- 评论回复 -->
    <el-dialog :visible.sync="replyFormVisible" title="回复">
      <el-form ref="replyForm" :model="replyForm" status-icon label-position="left" label-width="100px"
               style="width: 400px; margin-left:50px;">
        <el-form-item label="回复内容" prop="content">
          <el-input :autosize="{ minRows: 4, maxRows: 8}" v-model="replyForm.content" type="textarea"/>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click="replyFormVisible = false">取消</el-button>
        <el-button type="primary" @click="reply">确定</el-button>
      </div>
    </el-dialog>

  </div>
</template>

<script>
  import {deleteComment, listComment} from '@/api/comment'
  import {replyComment} from '@/api/order'
  import Pagination from '@/components/Pagination' // Secondary package based on el-pagination

  export default {
    name: 'Comment',
    components: {Pagination},
    data() {
      return {
        list: [],
        total: 0,
        listLoading: true,
        listQuery: {
          page: 1,
          limit: 20,
          userId: undefined,
          valueId: undefined,
          sort: 'add_time',
          order: 'desc'
        },
        downloadLoading: false,
        replyForm: {
          commentId: 0,
          content: ''
        },
        replyFormVisible: false
      }
    },
    created() {
      this.getList()
    },
    methods: {
      getList() {
        this.listLoading = true;
        listComment(this.listQuery).then(response => {
          this.list = response.data.data.list;
          this.total = response.data.data.total;
          this.listLoading = false
        }).catch(() => {
          this.list = [];
          this.total = 0;
          this.listLoading = false
        })
      },
      handleFilter() {
        this.listQuery.page = 1;
        this.getList()
      },
      handleReply(row) {
        this.replyForm = {commentId: row.id, content: ''};
        this.replyFormVisible = true
      },
      reply() {
        replyComment(this.replyForm).then(response => {
          this.replyFormVisible = false;
          this.$notify.success({
            title: '成功',
            message: '回复成功'
          })
        }).catch(response => {
          this.$notify.error({
            title: '失败',
            message: response.data.errmsg
          })
        })
      },
      handleDelete(row) {
        deleteComment(row).then(response => {
          this.$notify({
            title: '成功',
            message: '删除成功',
            type: 'success',
            duration: 2000
          });
          const index = this.list.indexOf(row);
          this.list.splice(index, 1)
        })
      },
      handleDownload() {
        this.downloadLoading = true;
        import('@/vendor/Export2Excel').then(excel => {
          const tHeader = ['评论ID', '用户ID', '商品ID', '评论', '评论图片列表', '评论时间'];
          const filterVal = ['id', 'userId', 'valueId', 'content', 'picUrls', 'addTime'];
          excel.export_json_to_excel2(tHeader, this.list, filterVal, '商品评论信息');
          this.downloadLoading = false
        })
      }
    }
  }
</script>
